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Homework Help: Quick question

  1. Oct 22, 2007 #1

    EES

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    Is there any way to calculate the speed an object given work done and object's mass. I kno W=mad or .5mv^2.
     
  2. jcsd
  3. Oct 22, 2007 #2

    learningphysics

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    Homework Helper

    work done on an object = change in kinetic energy

    work = 0.5m(vfinal)^2 - 0.5m(viniitial)^2

    if vinitial = 0

    work = 0.5m(vfinal)^2

    just solve for vfinal in this equation.
     
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